jojochuang commented on code in PR #11510:
URL: https://github.com/apache/ozone/pull/11510#discussion_r4277441084


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hadoop-ozone/dist/src/main/smoketest/ipv6/ipv6.robot:
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@@ -0,0 +1,66 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+Documentation       Checks for a cluster running on an IPv6-only network
+Resource            ../commonlib.robot
+Test Timeout        5 minutes
+
+*** Keywords ***
+IPv6 Literal Of
+    [Arguments]         ${host}
+    ${address} =        Execute             getent hosts ${host} | awk 'NR == 
1 { print $1 }'
+                        Should Contain      ${address}          :
+    [Return]            [${address}]
+
+Address Overrides
+    [Arguments]         ${key_prefix}       @{nodes}
+    ${options} =        Set Variable        ${EMPTY}
+    FOR    ${node}    IN    @{nodes}
+        ${literal} =    IPv6 Literal Of     ${node}
+        ${options} =    Catenate            ${options}          --set 
'${key_prefix}.${node}=${literal}'
+    END
+    [Return]            ${options}
+
+*** Test Cases ***
+Hosts have no IPv4 address
+    FOR    ${host}    IN    scm1    om1    recon    s3g
+        ${rc} =         Run And Return Rc   getent ahostsv4 ${host}
+                        Should Not Be Equal As Integers         ${rc}          
     0
+    END
+
+Datanodes register with IPv6 addresses
+    ${addresses} =      Execute             ozone admin datanode list --json | 
jq -r '.[].ipAddress'
+                        Should Contain      ${addresses}        :
+                        Should Not Match Regexp                 ${addresses}   
     \\d+\\.\\d+\\.\\d+\\.\\d+
+
+Datanodes are reachable by IPv6 address
+    ${output} =         Execute             ozone admin reconfig 
--service=DATANODE --in-service-datanodes properties
+                        Should Contain X Times                  ${output}      
     Reconfigurable properties    3
+
+HTTP servers listen on IPv6
+    FOR    ${host}    ${port}    IN    scm1    9876    om1    9874    recon    
9888    s3g    19878

Review Comment:
   let's include httpfs too.



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